<template>
    <div class="todo-header">
        <input type="text" v-model="title" placeholder="请输入你的任务名称，按回车键确认"  @keyup.enter="add" />
    </div>
</template>

<script>
import {nanoid} from 'nanoid';
export default {
    name: 'MyHeader',
    data() {
        return {
            title: ''
        }
    },
    // props: ['addTodo'],
    methods: {
      add(e){
        //方式1
        // console.log(e.target.value)
        //方式2
        // console.log("@",this.title)
        // console.log("id",nanoid())
        //组装数据
        const todoObj = {
          id: Date.now(),
          title: this.title,
          completed: false,
          isEdit: false
        }
        console.log("todoObj",todoObj)
        //调用父组件方法
        // this.addTodo(todoObj)
        //调用父组件方法2
        this.$emit('addTodo',todoObj)
        this.title = ''
      }
    },
}
</script>

<style scoped>
/*header*/
.todo-header input {
    width: 560px;
    height: 28px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 7px;
}

.todo-header input:focus {
    outline: none;
    border-color: rgba(82, 168, 236, 0.8);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}
</style>